Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A mobile terminal device comprising: a request unit configured to send at least a request message for establishing only one Packet Data Network (PDN) connection which provides connectivity to a PDN associated with an access point name (APN), the PDN connection being used only for a communication between an external gateway device and a plurality of information terminal devices which include said at least one information terminal device; a reception unit configured to receive the APN, an evolved packet system (EPS) bearer ID, and an address block, the address block being allocated by the external gateway device to the PDN connection, and the EPS bearer ID being allocated to the PDN connection; and an allocation unit configured to allocate an IPv6 prefix based on the address block to the at least one information terminal device, and transfer, based on the EPS bearer ID, user data as a router from the at least one information terminal device to the PDN associated with the APN via the PDN connection, wherein the user data being transferred from the information terminal devices using an IP address configured based on the assigned IPv6 prefix.
A mobile terminal acts as a router for multiple devices connected to it. It requests a single, dedicated network connection (PDN) to an external gateway using a specific access point name (APN). The gateway allocates an address block and a bearer ID to this connection. The mobile terminal uses the address block to create IPv6 prefixes for its connected devices, assigning them IP addresses. All data traffic from these devices to the external network is routed through this single PDN connection, using the allocated bearer ID. Essentially, the mobile terminal creates a private network for its devices and forwards their traffic via a single mobile connection.
2. The mobile terminal device according to claim 1 , wherein the address block is an IPv6 prefix shorter than an upper-order 64 bits.
The mobile terminal described above, where the address block received from the external gateway is an IPv6 prefix that is shorter than the standard 64 bits. This means the gateway is providing a smaller block of addresses, allowing for more efficient allocation of IPv6 addresses when the number of devices connected to the mobile terminal is relatively small, conserving address space in the broader network. The shorter prefix is still used to generate unique IPv6 addresses for each device connected to the mobile terminal.
3. An external gateway device comprising: an establishment unit configured to establish only one Packet Data Network (PDN) connection by a request, from a mobile terminal device, for establishing the PDN connection which provides connectivity to a PDN associated with an access point name (APN), the PDN connection being used only for a communication between the external gateway device and a plurality of information terminal devices which include said at least one information terminal device and the mobile terminal device being connected to the at least one information terminal device; an allocation unit configured to allocate an address block to the PDN connection, and notify the mobile terminal device of the address block; the establishment unit configured to establish a connection with the at least one information terminal device via the PDN connection; and a reception unit configured to receive user data transferred by the mobile terminal device from the at least one information terminal device via the PDN connection based on an evolved packet system (EPS) bearer ID transmitted to the mobile terminal device, and the EPS bearer ID being allocated to the PDN connection, wherein the user data being transferred from the information terminal devices using an IP address configured based on the assigned IPv6 prefix.
An external gateway manages network connections for mobile terminals and their connected devices. It receives a request from a mobile terminal to establish a single, dedicated network connection (PDN) to a specific access point name (APN). This PDN connection is exclusively for communication between the gateway and the mobile terminal's connected devices. The gateway allocates an address block to this PDN connection and informs the mobile terminal. It then establishes a connection with the devices connected to the mobile terminal via this PDN. Data from these devices, routed through the mobile terminal, is received by the gateway using an evolved packet system (EPS) bearer ID. The devices use IPv6 addresses configured based on prefixes derived from the allocated address block.
4. An external gateway device according to claim 3 , wherein the address block is an IPv6 prefix shorter than an upper-order 64 bits.
The external gateway device described above, wherein the address block allocated to the PDN connection and sent to the mobile terminal is an IPv6 prefix shorter than an upper-order 64 bits. This allows the gateway to assign smaller address blocks, which can be useful in scenarios where the mobile terminal connects a limited number of devices, thus conserving address space compared to allocating a full /64 prefix to each mobile terminal.
5. A mobile communication system comprising: at least one information terminal device; a mobile terminal device connected to the at least one information terminal device; and an external gateway device, wherein the mobile terminal device is configured to send at least a request message for establishing only one Packet Data Network (PDN) connection which provides connectivity to a PDN associated with an access point name (APN), the PDN connection being used only for a communication between the external gateway device and a plurality of information terminal devices which include said at least one information terminal device, the external gateway device is configured to allocate an address block to the PDN connection established by the request, and send the address block to the mobile terminal device, and the mobile terminal device is configured to: receive the APN, an evolved packet system (EPS) bearer ID, and the address block, and the EPS bearer ID being allocated to the PDN connection, allocate an IPv6 prefix based on the address block to the information terminal device, and transfer, based on the EPS bearer ID, user data as a router from the at least one information terminal device to the PDN associated with the APN via the PDN connection, wherein the user data being transferred from the information terminal devices using an IP address configured based on the assigned IPv6 prefix.
A mobile communication system includes a mobile terminal, one or more information terminal devices connected to it, and an external gateway. The mobile terminal requests a single, dedicated network connection (PDN) to the gateway using a specific access point name (APN). The gateway allocates an address block to this connection and sends it to the mobile terminal. The mobile terminal then uses this address block to create IPv6 prefixes for the connected terminal devices, assigning them IP addresses. Data traffic from these devices is routed through the mobile terminal, using an allocated EPS bearer ID, to the gateway via the single PDN connection.
6. A method comprising: sending at least a request message for establishing only one Packet Data Network (PDN) connection which provides connectivity to a PDN associated with an access point name (APN), the PDN connection being used only for a communication between an external gateway device and a plurality of information terminal devices which include at least one information terminal device; receiving the APN, an evolved packet system (EPS) bearer ID, and an address block, the address block being allocated by the external gateway device to the PDN connection, and the EPS bearer ID being allocated to the PDN connection; and allocating an IPv6 prefix based on the address block to the at least one information terminal device, and transferring, based on the EPS bearer ID, user data as a router from the at least one information terminal device to the PDN associated with the APN via the PDN connection, wherein the user data being transferred from the information terminal devices using an IP address configured based on the assigned IPv6 prefix.
A method for mobile communication involves requesting a single, dedicated network connection (PDN) to an external gateway using a specific access point name (APN). After receiving the APN, an evolved packet system (EPS) bearer ID, and an address block from the gateway, an IPv6 prefix is generated based on the address block. This prefix is then used to assign IP addresses to the connected information terminal devices. Data from these devices is then routed through the mobile terminal to the gateway via the single PDN connection, using the allocated bearer ID.
7. The method according to claim 6 , wherein the address block is an IPv6 prefix shorter than an upper-order 64 bits.
The method from above, where the address block received is an IPv6 prefix shorter than an upper-order 64 bits. This allows for a more granular allocation of IPv6 addresses, especially when dealing with a smaller number of connected devices, preventing unnecessary allocation of larger address ranges.
8. A method comprising: establishing only one Packet Data Network (PDN) connection by a request, from a mobile terminal device, for establishing the PDN connection which provides connectivity to a PDN associated with an access point name (APN), the PDN connection being used only for a communication between an external gateway device and a plurality of information terminal devices which include at least one information terminal device and the mobile terminal device being connected to the at least one information terminal device; allocating an address block to the PDN connection, and notify the mobile terminal device of the address block; establishing a connection with the at least one information terminal device via the PDN connection; and receiving user data transferred by the mobile terminal device from the at least one information terminal device via the PDN connection based on an evolved packet system (EPS) bearer ID transmitted to the mobile terminal device, and the EPS bearer ID being allocated to the PDN connection, wherein the user data being transferred from the information terminal devices using an IP address configured based on the assigned IPv6 prefix.
A method implemented by an external gateway device. It involves establishing a single, dedicated network connection (PDN) based on a request from a mobile terminal. This connection is exclusively for communication between the gateway and the mobile terminal's connected devices. An address block is allocated to this PDN connection and sent to the mobile terminal. The gateway then establishes a connection with the devices connected to the mobile terminal. Data from these devices, routed via the mobile terminal, is received by the gateway, identified by an evolved packet system (EPS) bearer ID, with the originating devices using IPv6 addresses configured based on a prefix derived from the allocated address block.
9. The method according to claim 8 , wherein the address block is an IPv6 prefix shorter than an upper-order 64 bits.
In the external gateway method described above, the address block that is allocated and communicated to the mobile terminal is an IPv6 prefix that is shorter than the upper 64 bits. This optimizes address allocation by providing smaller, more appropriate ranges to mobile terminals that only have a few devices connected to them.
10. A method comprising: sending at least a request message for establishing only one Packet Data Network (PDN) connection which provides connectivity to a PDN associated with an access point name (APN), the PDN connection being used only for a communication between an external gateway device and a plurality of information terminal devices which include at least one information terminal device; allocating an address block to the PDN connection established by the request, and send the address block to a mobile terminal device; receiving the APN, an evolved packet system (EPS) bearer ID, and the address block, and the EPS bearer ID being allocated to the PDN connection; allocating an IPv6 prefix based on the address block to the information terminal device; and transferring, based on the EPS bearer ID, user data as a router from the at least one information terminal device to the PDN associated with the APN via the PDN connection, wherein the user data being transferred from the information terminal devices using an IP address configured based on the assigned IPv6 prefix.
A method involving a mobile terminal and an external gateway. The mobile terminal requests a single, dedicated network connection (PDN) to the gateway using a specific access point name (APN). The gateway allocates an address block to this connection and sends it to the mobile terminal. The mobile terminal receives the APN, evolved packet system (EPS) bearer ID, and the address block. The mobile terminal then generates an IPv6 prefix based on this address block, assigning IP addresses to its connected devices. Finally, the mobile terminal routes data from these devices to the gateway via the single PDN connection, using the allocated EPS bearer ID.
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August 22, 2017
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